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After Archduke Ferdinand was assassianted, Austria-Hungary declared war on Serbia and Europe rapidly descended into chaos.
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The operational plan for an attack on France.
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Trench Warfare is a type of land warfare using occupied fighting lines consisting largely of trenches.
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A symbolic moment of peace in a violent war.
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German forces shocked Allied soldiers by firing 150 tons of deadly chlorine gas
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The Lustania made her voyage only for the voyage to be cut short by a Geramn U-boat, as it was torpedoed.
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One of the largest battles fought on the western front between the German and French armies.
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The German government responded with the so-called Sussex pledge. They agreed to give adequate warning before sinking merchant and passenger ships and to provide for the safety of passengers and crew.
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The message came in the form of a coded telegram dispatched by the Foreign Secretary of the German Empire
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President Woodrow Wilson asked Congress to declare war against Germany.
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As America entered World War I, General John J. Pershing was appointed commander in chief of the American Expeditionary Force to assist the Allied powers against German forces.
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An agency headed by progressive journalist George Creel during World War I.
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U.S Congress passes the Selective Service Act giving the U.S. president the power to draft soldiers.
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Germany and the Allied Nations (including Britain, France, Italy and Russia) signed the Treaty of Versailles, formally ending the war.
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A major part of the final Allied offensive of World War I that stretched along the entire Western Front.
